Coffee maker



1. Coffee maker

1.1 is a front perspective view of a coffee maker;

1.2 is a front elevational view thereof;

1.3 is a rear elevational view thereof;

1.4 is a left side elevational view thereof;

1.5 is a right side elevational view thereof;

1.6 is a top plan view thereof; and

1.7 is a bottom plan view thereof.

The broken lines showing portions of the article form no part of the claimed design. 

CLAIM The ornamental design for a coffee maker, as shown and described. 